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fixed CRT monitor detection (both heads)

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6436 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen 2004-01-30 21:47:59 +00:00
parent 9f21ce697e
commit b4db97878b
3 changed files with 9 additions and 9 deletions
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8
src/add-ons/accelerants/nvidia/SetDisplayMode.c
View File

@ -184,13 +184,13 @@ status_t SET_DISPLAY_MODE(display_mode *mode_to_set)
/*work out where the "right" screen starts*/
startadd_right = startadd + (target.timing.h_display * (colour_depth1 >> 3));
/* fixme: test... */
nv_dac_crt_connected();
nv_dac2_crt_connected();
/* set the outputs if possible */
if (si->ps.secondary_head)
{
/* fixme: test... (do also for singlehead modes!) */
nv_dac_crt_connected();
nv_dac2_crt_connected();
switch (target.flags & DUALHEAD_BITS)
{
case DUALHEAD_ON:

4
src/add-ons/accelerants/nvidia/engine/nv_dac.c
View File

@ -23,8 +23,8 @@ bool nv_dac_crt_connected(void)
/* save DAC state */
dac = DACR(TSTCTRL);
/* shut-off DAC */
DACW(TSTCTRL, (DACR(TSTCTRL) | 0x00010000));
/* turn on DAC */
DACW(TSTCTRL, (DACR(TSTCTRL) & 0xfffeffff));
/* select primary head and turn off CRT (and DVI?) outputs */
DACW(OUTPUT, (output & 0x0000feee));
/* wait for signal lines to stabilize */

6
src/add-ons/accelerants/nvidia/engine/nv_dac2.c
View File

@ -21,14 +21,14 @@ bool nv_dac2_crt_connected()
/* save DAC state */
dac = DAC2R(TSTCTRL);
/* shut-off DAC */
DAC2W(TSTCTRL, (DAC2R(TSTCTRL) | 0x00010000));
/* turn on DAC2 */
DAC2W(TSTCTRL, (DAC2R(TSTCTRL) & 0xfffeffff));
/* select primary head and turn off CRT (and DVI?) outputs */
DAC2W(OUTPUT, (output & 0x0000feee));
/* wait for signal lines to stabilize */
snooze(1000);
/* re-enable CRT output */
DAC2W(OUTPUT, (DACR(OUTPUT) | 0x00000001));
DAC2W(OUTPUT, (DAC2R(OUTPUT) | 0x00000001));
/* setup RGB test signal levels to approx 30% of DAC range and enable them
* (NOTE: testsignal function block resides in DAC1 only (!)) */